
Figure 1
Overview of the Castor study structure.

Figure 2
Unified modelling language (UML) diagram of the CastorStudy implementation.
Table 1
Example of a data file.
| PATIENT | MEDICATION | STARTDATE | STOPDATE | DOSE | UNITS |
|---|---|---|---|---|---|
| 110001 | Azathioprine | 05-12-2019 | 05-12-2020 | 0.05 | g/day |
| 110002 | Vedolizumab | 17-08-2018 | 17-09-2020 | 300 | mg/4 weeks |
| 110003 | Ustekinumab | 19-12-2017 | 03-06-2019 | 90 | mg/8 weeks |
| 110004 | Thioguanine | 25-04-2020 | 27-05-2021 | 15 | mg/day |
| 110005 | Tofacitinib | 01-03-2020 | 31-12-2999 | 10 | mg/day |
